Using genomics, evolutionary biologists test several hypotheses on the origin of viruses. New evidence suggests they may have emerged more times than previously thought. Corroborating the virus-first ...

How did viruses evolve? Are they a streamlined form of something that existed long ago, or an ultimate culmination of smaller genetic elements joined together? Aa Aa Aa The evolutionary history of ...

Researchers have proposed a new evolutionary model for the origin of a kingdom of viruses called Bamfordvirae, suggesting a billion-years evolutionary arms race between two groups within this kingdom ...

Scientists estimate that the earliest biological entities began to appear on Earth more than 4 billion years ago. "There was a sort of primordial soup from which certain organic molecules were formed.

In an article published in Nature Microbiology, scientists reveal the existence of numerous new lineages of mirusviruses, ...

As humans alter the planet’s climate and ecosystems, scientists are looking to Earth’s history to help predict what may unfold from climate change. To this end, massive ice structures like glaciers ...

HONG KONG (Reuters) - Flu viruses that sparked the three worst pandemics in the last century circulated in their near-complete forms for years before the catastrophes occurred, researchers in Hong ...

The death toll and economic damage associated with flu highlight its role as one of the most harmful viruses in history.

WASHINGTON (AP) — COVID-19’s origins remain hazy. Three years after the start of the pandemic, it’s still unclear whether the coronavirus that causes the disease leaked from a lab or spread to humans ...

With officials announcing the death of the first person due to the recently discovered Alaskapox, experts have raised concerns that the virus may have spread farther across the state amongst its ...